/*输出OBJECT*/
function outobject(obj, step){
	var str		= "";
	for(var n in obj){
		if(typeof(obj[n]) == 'object'){
			str += step + n + '(object):\n';
			str += outobject(obj[n], '  +') + '\n';
		} else {
			str += step + n + ':' + obj[n] + '\n';
		}
	}
	return str;
}